Research Article
Sep 1966
Spectral Analysis of Sand Waves
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 92, Issue 5
Abstract
The techniques of autocorrelation and spectral density analysis of random processes were applied to the problem of describing and predicting bed profiles of a sequence of dunes in sand-bed channels. The data analyzed were from three sources, a 0.4-ft wide flume, an 8-ft wide flume, and a conveyance channel of the Rio Grande near Bernardo, New Mexico. From the computed covariance and spectral density functions, it was determined that the process could be represented approximately by a Markov second-order linear model. The first three values of the covariance functions, which were found sufficient for computing the approximate models and two other parameters which describe the goodness of fit of the models, are shown to be functions of the simple flow parameter, unit discharge.
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Published In
Journal of the Hydraulics Division
Volume 92 • Issue 5 • September 1966
Pages: 95 - 114
Copyright
© 1966 American Society of Civil Engineers.
History
Published in print: Sep 1966
Published online: Feb 3, 2021
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Carl F. Nordin Jr., AM.ASCE
Hydr. Engr., Geol. Survey, U.S. Dept. of the Interior, Fort Collins, Cola.
James H. Algert, AM.ASCE
Hydr. Engr., Geol. Survey, U.S. Dept. of the Interior, Fort Collins, Cola.
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